Problemset - Codeforces

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Problems

#	Name
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x15162
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x13213
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17130
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9936
1670B	Dorms War brute force, implementation, strings	1100	x12683
1669H	Maximal AND bitmasks, greedy, math	1300	x18504
1669G	Fall Down dfs and similar, implementation	1200	x18232
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x25675
1669E	2-Letter Strings data structures, math, strings	1200	x17848
1669D	Colorful Stamp implementation	1100	x22178
1667A	Make it Increasing brute force, greedy, math	1300	x14683
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17705
1660C	Get an Even String dp, greedy, strings	1300	x19536
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10466
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10923
1657C	Bracket Sequence Deletion greedy, implementation	1200	x16790
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x19118
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x18818
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13473
1651C	Fault-tolerant Network brute force, data structures, implementation	1500	x10699
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x13012
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16726
1649B	Game of Ball Passing greedy, implementation	1300	x13012
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x12769
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12585
1647B	Madoka and the Elegant Gift brute force, constructive algorithms, graphs, implementation	1200	x15380
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x14083
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13745
1641A	Great Sequence brute force, greedy, sortings	1200	x17882
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14671
1638B	Odd Swap Sort data structures, math, sortings	1100	x20836
1637C	Andrew and Stones greedy, implementation	1200	x17681
1637B	MEX and Array brute force, dp, greedy, math	1100	x14801
1635C	Differential Sorting constructive algorithms, greedy	1200	x17508
1634B	Fortune Telling bitmasks, math	1400	x16570
1633C	Kill the Monster brute force, math	1100	x20047
1631B	Fun with Even Subarrays dp, greedy	1100	x20315
1630A	And Matching bitmasks, constructive algorithms	1500	x14525
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15597
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14494
1627B	Not Sitting games, greedy, sortings	1300	x16621
1626B	Minor Reduction greedy, strings	1100	x22799
1625B	Elementary Particles brute force, greedy, sortings	1100	x16081
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16971
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x24814
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x14082
1621B	Integers Shop data structures, greedy, implementation	1500	x13397
1619C	Wrong Addition implementation	1200	x20923
1618D	Array and Operations dp, greedy, math	1300	x18898
1618C	Paint the Array math	1100	x22966
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14975
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12219
1616B	Mirror in the String greedy, strings	1100	x19642
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x15931
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x10235
1613C	Poisoned Dagger binary search	1200	x24405
1612C	Chat Ban binary search, math	1300	x17332
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9845
1610B	Kalindrome Array greedy, two pointers	1100	x15848
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9725
1609B	William the Vigilant implementation, strings	1100	x11685
1608B	Build the Permutation constructive algorithms, greedy	1200	x11679
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16838
1606C	Banknotes greedy, number theory	1400	x14132
1606B	Update Files greedy, implementation, math	1100	x18657
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x16936
1604B	XOR Specia-LIS-t	1100	x15637
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16614
1602B	Divine Array constructive algorithms, implementation	1100	x14084
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14568
1600J	Robot Factory bitmasks, dfs and similar	1400	x3908
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20776
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11086
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19393
1594B	Special Numbers bitmasks, math	1100	x19870
1593D1	All are Same math, number theory	1100	x20132
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15958
1585C	Minimize Distance greedy	1300	x11995
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x12226
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x15595
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11321
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x16022
1579C	Ticks greedy, implementation	1500	x10574
1579B	Shifting Sort implementation, sortings	1100	x18138
1578E	Easy Scheduling implementation, math	1200	x3820
1575J	Jeopardy of Dropped Balls binary search, brute force, dsu, implementation	1500	x3798
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4555
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x17064
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x17291
1573B	Swaps greedy, math, sortings	1400	x14538
1571B	Epic Novel *special problem, math	1300	x713
1569C	Jury Meeting combinatorics, math	1500	x12014
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x13989
1562C	Rings constructive algorithms, math	1500	x13269
1561C	Deep Down Below binary search, greedy, sortings	1300	x14575
1560D	Make a Power of Two greedy, math, strings	1300	x18178
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13780
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x20419
1558A	Charmed by the Game brute force, math	1300	x11081
1557B	Moamen and k-subarrays greedy, sortings	1100	x23422